Finding the Third Proportional to 585,524 and 1,278,148

Step by Step Solution

1. Step 1: Write the proportion equation
   585,524 : 1,278,148 = 1,278,148 : x
2. Step 2: Convert to fraction form
   585,524/1,278,148 = 1,278,148/x
3. Step 3: Cross multiply
   585,524x = 1,278,148 × 1,278,148
4. Step 4: Simplify right side
   585,524x = 1,633,662,309,904
5. Step 5: Solve for x
   x = 1,633,662,309,904/585,524
6. Step 6: Final answer
   x = 2,790,085.99